Welcome to Winsun (HK) Electronics Limited!
+86-(0755)8253 3846
FILTERED PRODUCT SELECTION

Circuit Breakers

Use the filters and product table below to compare Circuit Breakers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Product Status Mounting Type Breaker Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Actuator Type Number of Poles Illumination Illumination Voltage (Nominal) Approval Agency
5SJ42138HG42 Siemens

5SJ42138HG42

MCB 5SJ4 2P 480/277 13A 10K D-TR

Siemens

8,866 -
Datasheet SENTRON Box Active DIN Rail - 13A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42257HG42 Siemens

5SJ42257HG42

MCB 5SJ4 2P 480/277 25A 10K C-TR

Siemens

6,855 -
Datasheet SENTRON Box Active DIN Rail - 25A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
A6X30074009 Siemens

A6X30074009

CIRCUIT-BREAKER SCREW CONNECTION

Siemens

6,296 -
Datasheet - Bulk Active DIN Rail Thermal Magnetic 2.5A 690 V - Rotary 3 None - -
5SY45508 Siemens

5SY45508

SUP PTOR 5SY4 1P+N 240V 50A 7.5K

Siemens

3,871 -
Datasheet SENTRON Box Active DIN Rail - 50A 230 V 72 V Lever 2 None - CCC, CE, EAC, UR, VDE
5SJ42407HG41 Siemens

5SJ42407HG41

MCB 5SJ4 2P 240V 40A 14K C-TRIP

Siemens

9,233 -
Datasheet SENTRON Box Active DIN Rail - 40A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
5SJ42357HG41 Siemens

5SJ42357HG41

MCB 5SJ4 2P 240V 35A 14K C-TRIP

Siemens

8,393 -
Datasheet SENTRON Box Active DIN Rail - 35A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
5SJ42028HG41 Siemens

5SJ42028HG41

MCB 5SJ4 2P 240V 2A 14K D-TRIP

Siemens

4,296 -
Datasheet SENTRON Box Active DIN Rail - 2A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42058HG42 Siemens

5SJ42058HG42

MCB 5SJ4 2P 480/277 0.5A 10K D-T

Siemens

4,384 -
Datasheet SENTRON Box Active DIN Rail - 500mA 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42158HG42 Siemens

5SJ42158HG42

MCB 5SJ4 2P 480/277 1.6A 10K D-T

Siemens

4,818 -
Datasheet SENTRON Box Active DIN Rail - 1.6A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489, VDE
5SJ42357HG42 Siemens

5SJ42357HG42

MCB 5SJ4 2P 480/277 35A 10K C-TR

Siemens

8,941 -
Datasheet SENTRON Box Active DIN Rail - 35A 400 V 60 V Lever 2 None - CCC, CE, EAC, UL489
Total 4783 Record«Prev1... 5152535455565758...479Next»
WINSUN SOURCING SUPPORT

Need Help Sourcing Circuit Breakers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

Circuit Breakers FAQ

Common questions about filtering, comparing and sourcing Circuit Breakers components.

How can I narrow the Circuit Breakers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific Circuit Breakers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.